blastengine-mailer MCP Server

What is blastengine-mailer MCP Server?

It is a Model Context Protocol (MCP) server built in JavaScript that enables large language models (LLMs) to send emails via the Blastengine API. It is designed for developers who want to integrate email-sending capabilities into MCP-compatible applications like Claude Desktop.

How to use blastengine-mailer MCP Server?

Install Node.js (ES module support) and obtain a Blastengine API account with credentials. Install dependencies with npm install, build with npm run build, then configure the server in your MCP client (e.g., Claude Desktop) by adding the server command and environment variables BLASTENGINE_USER_ID and BLASTENGINE_API_KEY. Invoke the send_email tool with required parameters: to, from, subject, and text.

Key features of blastengine-mailer MCP Server

• Sends emails via Blastengine API through the send_email tool.
• Returns a delivery ID on successful submission.
• Returns detailed error messages when sending fails.
• Requires only Node.js and Blastengine API credentials.
• Integrates directly with Claude Desktop via stdio transport.
• Includes an MCP Inspector for interactive debugging.

Use cases of blastengine-mailer MCP Server

• Let an AI assistant send emails on behalf of a user.
• Automate email notifications from conversational agents.
• Integrate email functionality into MCP-compatible workflows.

FAQ from blastengine-mailer MCP Server

What are the prerequisites for using blastengine-mailer MCP Server?

You need Node.js with ES module support, a Blastengine API account, and both your API user ID and API key.

How do I configure blastengine-mailer MCP Server for Claude Desktop?

Add the server configuration to the Claude Desktop config file (claude_desktop_config.json) with the command node, the path to server.js, and the environment variables BLASTENGINE_USER_ID and BLASTENGINE_API_KEY.

What parameters does the send_email tool require?

It requires to, from, subject, and text parameters.

How can I debug the blastengine-mailer MCP Server?

Use the MCP Inspector by running npm run inspector, which provides a browser-based debugging interface.

What communication transport does blastengine-mailer MCP Server use?

It communicates via stdio.